Fitness stick



FIG. 1 is a top-down view of the fitness stick;

FIG. 2 is back view of a person holding the fitness stick;

FIG. 3 is a perspective view of the fitness stick;

FIG. 4 is an end view of the fitness stick;

FIG. 5 is a top-down view of a person holding the fitness stick; and,

FIG. 6 is a top-down view of a person holding and twisting with the fitness stick.

The human form shown in broken lines is for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a fitness stick, as shown and described. 